/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.nacos.config.server.configuration;

import com.alibaba.nacos.config.server.filter.NacosWebFilter;
import com.alibaba.nacos.config.server.filter.CurcuitFilter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;

/**
 * Nacos Config {@link Configuration} includes required Spring components.
 *
 * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
 * @since 0.2.2
 */
@Configuration
public class NacosConfigConfiguration {

	@Bean
	public FilterRegistrationBean nacosWebFilterRegistration() {
		FilterRegistrationBean<NacosWebFilter> registration = new FilterRegistrationBean<>();
		registration.setFilter(nacosWebFilter());
		registration.addUrlPatterns("/v1/cs/*");
		registration.setName("nacosWebFilter");
		registration.setOrder(1);
		return registration;
	}

	@Bean
	public NacosWebFilter nacosWebFilter() {
		return new NacosWebFilter();
	}

	@Conditional(ConditionDistributedEmbedStorage.class)
	@Bean
	public FilterRegistrationBean transferToLeaderRegistration() {
		FilterRegistrationBean<CurcuitFilter> registration = new FilterRegistrationBean<>();
		registration.setFilter(transferToLeader());
		registration.addUrlPatterns("/v1/cs/*");
		registration.setName("curcuitFilter");
		registration.setOrder(6);
		return registration;
	}

	@Conditional(ConditionDistributedEmbedStorage.class)
	@Bean
	public CurcuitFilter transferToLeader() {
		return new CurcuitFilter();
	}

}
